package com.situ;

import java.util.Scanner;

public class Student {
    public static void main(String[] args) {
        System.out.println("第1行...");
        System.out.println("第2行...");
        System.out.println("第3行...1231222223");

        System.out.println("第一行...");
        System.out.println("1231312312321312");

        System.out.println("1123123123231231231");
        System.out.println("黄某某");

        Scanner input = new Scanner(System.in);
        int num = input.nextInt();
        switch (num){
            case 1:
                System.out.println("输入的是1");
                break;
            case 2:
                System.out.println("输入的是2");
                break;
            default:
                System.out.println("输入有误！");
                break;
        }
    }
}
